Patent US2719167A successfully refreshed from Google Patents.
US2719167A
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Compounds containing phosphorus and process therefor
Assignee: BASF Schweiz AG
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Filing: 1954-04-09
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Granted: 1955-09-27
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Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:14
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/44; C07F9/4403; C07F9/443; A; A01; A01N; A01N57/00; A01N57/18; A01N57/20; C07F9/40; C07F9/4003; C07F9/4062; C07F9/4065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ORGANIC PHOSPHORUS-CONTAINING COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
7 words
AN ORGANIC PHOSPHORUS-CONTAINING COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2629731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |